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Sudoku Game Privacy Policy_ Zero Personal Data Collection, Pure Gaming Experience

Sudoku Game Privacy Policy: Zero Personal Data Collection, Pure Gaming Experience

Last Modified Date: November 5, 2025

1. Introduction

This privacy policy applies to the Sudoku game (hereinafter referred to as the “Game”) you are using. Our core commitment is: the Game does not collect any of your personal privacy information at any stage of your use. We prioritize protecting your data security and privacy rights, allowing you to enjoy the pure fun of Sudoku puzzles without worrying about personal information leakage.

2. About Us & Contact Information

The operator of this Game is an individual developer. If you have any questions, concerns, or complaints regarding this privacy policy, data practices, or your rights, please feel free to contact us through the following channel:

3. Core Privacy Commitment: No Personal Data Collection

We strictly adhere to the principle of “zero personal data collection.” During your use of the Game, we will never collect, store, or process any of your personal privacy information, including but not limited to:

  • Identifiable personal information: Name, phone number, email address (except for the contact email you proactively provide when reaching out to us), ID card number, address, etc.

  • Device and network-related personal data: IP address, device unique identifier (e.g., IMEI, advertising ID), MAC address, location information (including city-level or precise location), Wi-Fi connection data, etc.

  • Social account information: We do not integrate with any social platforms (e.g., Facebook, Google, Apple) for login or data synchronization, so no social account information (e.g., profile picture, friends list) will be collected.

4. Explanation of Non-Personal Data (If Applicable)

To ensure the normal operation of the Game and optimize your gaming experience, the Game may generate and temporarily store non-personal, non-identifiable data during use. This data cannot be associated with any individual and will not be used to identify you, including but not limited to:

  • In-game activity data: Game score, level progress, puzzle completion status, game duration (e.g., time spent solving a single puzzle), and settings preferences (e.g., difficulty level, theme selection).

  • Technical operation data: Temporary records of game startup/shutdown times, and basic device compatibility information (e.g., operating system type and version, such as Android 14 or iOS 18) — this data is only used to fix game crashes or technical bugs and will not be stored long-term.

All the above non-personal data is generated locally on your device and will not be uploaded to any server or shared with third parties.

5. Use & Sharing of Data

Since the Game does not collect your personal privacy information, the following situations do not apply:

  • There is no “use of personal data” for purposes such as targeted advertising, user profiling, or marketing promotions.

  • There is no “sharing of personal data” with third parties (including advertising partners, analytics providers, or other companies/individuals).

In exceptional cases (e.g., legal requirements): If we receive a valid legal notice (such as a court order or official request from a regulatory authority), we will only provide the minimum necessary non-personal data (as specified in Section 4) in accordance with the law, and will not disclose any information that may identify you.

6. Security Measures

Although the Game does not collect personal privacy information, we still take strict technical measures to protect the non-personal data generated during your use:

  • All non-personal data is stored locally on your device and is not transmitted over the internet, avoiding risks of data interception during transmission.

  • We regularly update the Game’s security patches to prevent unauthorized access to local non-personal data by malicious software or third parties.

7. Your Rights

As a user, you enjoy the following rights related to data:

  • Right to Know: You have the right to understand the types and uses of non-personal data generated by the Game (see Section 4). If you need further clarification, you can contact us via the email provided in Section 2.

  • Right to Control: You can delete the Game’s local non-personal data at any time by uninstalling the Game (uninstalling will clear all in-game progress and settings data stored on your device).

8. Changes to This Privacy Policy

We may update this privacy policy from time to time to adapt to legal changes or technical adjustments of the Game. If there are any material changes (e.g., adjustments to data collection rules, which will not involve collecting personal data), we will notify you through one of the following methods:

  • Pop-up notice within the Game;

  • Notification sent to the email address you proactively provided (if any).

The updated privacy policy will take effect on the “Last Modified Date” indicated at the top of the document. We recommend that you review this policy periodically.

9. Contact & Feedback

If you have any questions, suggestions, or feedback about this privacy policy or the Game’s data practices, please contact us at:

We will respond to your inquiry within 5 working days and provide a clear explanation or solution.